<!--电子围栏页-->
<template>
  <div style="height: 6vh;background-color:#fff;padding:10px 20px;">
    <span style="line-height:60px;font-size:20px;">围栏管理</span>
    <el-button type="primary" style="float:right;margin-top:13px;"
    @click="router.push('/geofenceMap')">新建围栏</el-button>
  </div>

  <!-- 围栏查询卡片 -->
  <el-card style="margin:20px;height: 70px;">
    <el-form :inline="true">
      <el-form-item label="围栏名称">
        <el-input placeholder="请输入" style="width:220px;" v-model="geoSearchForm.name"
        @keydown="loadGeo"></el-input>
      </el-form-item>
      <el-form-item label="围栏状态" style="width:290px;">
        <el-select placeholder="请选择" v-model="geoSearchForm.status"
        @change="loadGeo">
          <el-option label="启用" value="1"/>
          <el-option label="禁用" value="0"/>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button @click="resetSearch">重置</el-button>
        <el-button type="primary" @click="loadGeo">查询</el-button>
      </el-form-item>
    </el-form>
  </el-card>
  <!-- 围栏表格数据 -->
  <el-card style="margin:20px;">
    <el-table stripe :data="geoTableData">
      <el-table-column label="编号" prop="id" type="index" align="center" width="100"></el-table-column>
      <el-table-column label="围栏名称" prop="name" align="center"></el-table-column>
      <el-table-column label="围栏坐标点" prop="position" align="center" show-overflow-tooltip="true"
                       width="500"></el-table-column>
      <el-table-column label="创建时间" prop="createTime" align="center"></el-table-column>
      <el-table-column label="围栏状态" align="center">
        <template #default="scope" >
          <el-switch inactive-value="0" active-value="1"
          v-model="scope.row.status" @change="changeStatus(scope.row.id,scope.row.status)"/>

        </template>
      </el-table-column>
      <el-table-column label="操作" align="center">
        <template #default="scope">
          <el-button type="primary" link
          @click="loadVehicle(scope.row.id)">管理车辆</el-button>
          <el-button type="primary" link @click="deleteGeofence(scope.row.id)">删除</el-button>
          <el-button type="primary" link @click="router.push('/geofenceMapShow?id='+scope.row.id)">查看</el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-card>
  <!-- 已绑定车辆弹窗 -->
  <el-dialog title="已绑定车辆" v-model="bindVehicleDialogVisible" style="padding:40px;">
    <el-button type="primary" style="margin:10px 0;" @click="showUnbindVehicleList">添加绑定车辆</el-button>
    <el-table :data="bindVehicleArr">
      <el-table-column prop="brand" label="车辆品牌" align="center"></el-table-column>
      <el-table-column prop="license" label="车牌号" align="center"></el-table-column>
      <el-table-column prop="type" label="车辆类型" align="center"></el-table-column>
      <el-table-column
          label="操作"
          fixed="right"
          width="200"
          align="center">
        <template #default="scope">
          <el-button link type="primary" @click="removeBindVehicle(scope.row.id)">移除</el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-dialog>
  <!-- 添加可绑定车辆列表弹窗 -->
  <el-dialog title="可绑定车辆列表" v-model="AddBindVehicleDialogVisible"
  :before-close="handleClose">
    <el-table :data="unBindVehicleArr">
      <el-table-column label="编号" type="index" align="center" width="80px"></el-table-column>
      <el-table-column prop="brand" label="车辆品牌" align="center"></el-table-column>
      <el-table-column prop="license" label="车牌号" align="center"></el-table-column>
      <el-table-column prop="type" label="车辆类型" align="center"></el-table-column>
      <el-table-column prop="status" label="车辆状态" align="center"></el-table-column>
      <el-table-column label="操作" align="center">
        <template #default="scope">
          <el-button link type="primary" @click="bindNewVehicle(scope.row.id)">绑定</el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-dialog>
</template>
<script setup>
import {onMounted, ref} from "vue";
import {ElMessage} from "element-plus";
import axios from "axios";
import qs from "qs";
import router from "@/router";

//控制"已绑定车辆弹窗"是否显示
const bindVehicleDialogVisible = ref(false);
//控制"可绑定车辆列表"是否显示
const AddBindVehicleDialogVisible = ref(false);

//定义对象用来保存查询条件
const geoSearchForm = ref({name: '', status: ''});
//定义数组用来保存围栏数据
const geoTableData = ref([]);
//定义加载电子围栏的方法
const loadGeo = () => {
  let data = qs.stringify(geoSearchForm.value);
  console.log(data);
  axios.get(BASE_URL+"/v1/geofence/select?" + data).then((res) => {
    if (res.data.code !== 2000) {
      ElMessage.error(res.data.msg);
      return;
    }
    geoTableData.value = res.data.data;
  })
}
//页面加载时加载电子围栏数据
onMounted(() => {
  loadGeo();
})
//定义重置查询条件的方法
const resetSearch = () => {
geoSearchForm.value={};
loadGeo();

}
//定义变量来保存当前电子围栏的id ---> 这个变量是给后面解绑车辆时使用
var geoId;
//定义数组用来保存当前围栏已绑定车辆数据
const bindVehicleArr = ref([]);
//定义加载当前围栏已绑定车辆的方法
const loadVehicle = (geofenceId) => {
  //给全局变量赋值
  geoId=geofenceId
  //显示已绑定车辆弹窗
    bindVehicleDialogVisible.value = true;
    //向后端车辆模块发送请求，获取车辆数据
    axios.get(BASE_URL+"/v1/vehicle/select?geofenceId=" + geofenceId).then((res) => {
      if (res.data.code !== 2000) {
        ElMessage.error(res.data.msg);
        return;
      }
      bindVehicleArr.value = res.data.data;
    })
}
//定义移除绑定车辆的方法
const removeBindVehicle = (id) =>{
  axios.post(BASE_URL+"/v1/vehicle/unbind/"+id)
      .then((res)=>{
        if(res.data.code !== 2000){
          ElMessage.error(res.data.msg);
          return;
        }
        ElMessage.success("车辆解绑成功");
        loadVehicle(geoId);
      })
}
//可绑定车辆列表
const unBindVehicleArr = ref([]);
//定义显示可绑定车辆列表的方法
const showUnbindVehicleList = () =>{
  AddBindVehicleDialogVisible.value = true;
  //向车辆后端发送请求
  axios.get(BASE_URL+"/v1/vehicle/select?geofenceBindStatus=0").then((res)=>{
    if(res.data.code !== 2000){
      ElMessage.error(res.data.msg);
      return;
    }
    unBindVehicleArr.value = res.data.data;
  })
}
//定义一个绑定车辆的方法
const bindNewVehicle = (id) =>{
  axios.post(BASE_URL+"/v1/vehicle/bind/"+geoId+"/"+id)
      .then((res)=>{
        if(res.data.code !== 2000){
          ElMessage.error(res.data.msg);
          return;
        }
        ElMessage.success("车辆绑定成功");
        //每绑定一辆车，重新加载所有可绑定车辆
        showUnbindVehicleList();
        //每绑定一辆车，重新加载该围栏上绑定的车辆，但调用次数太多，开销较大
        // loadVehicle(geoId);
      })
}
//处理内层弹窗关闭的方法
const handleClose = () =>{
  //在内层弹窗关闭前，重新加载该围栏上的绑定车辆
  loadVehicle(geoId);
  //关闭内层弹窗
  AddBindVehicleDialogVisible.value = false;
}
//定义修改围栏状态的方法
const changeStatus = (id,status)=>{
  let data = qs.stringify({id:id,status:status});
  axios.post(BASE_URL+"/v1/geofence/save",data).then((res)=>{
    if(res.data.code !== 2000){
      ElMessage.error(res.data.msg);
      return;
    }
    ElMessage.success("围栏状态修改成功");
  })
}
//定义删除围栏的方法
const deleteGeofence=(id)=>{
  if(confirm("确认删除该围栏吗?")){
    axios.post(BASE_URL+"/v1/geofence/delete/"+id).then((res)=>{
      if(res.data.code !== 2000){
        ElMessage.error("请先移除所有已绑定车辆");
        return;
      }
      ElMessage.success("围栏删除成功");
      loadGeo();
    })
  }
}

</script>

<style scoped>
</style>